16990781181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{117043}}^1$

素因数の和:117193

約数の個数: 32

約数和(自身を含む): 25483756032

約数和(自身を除く): 8492974851

約数列:

[1, 3, 11, 33, 53, 83, 159, 249, 583, 913, 1749, 2739, 4399, 13197, 48389, 117043, 145167, 351129, 1287473, 3862419, 6203279, 9714569, 18609837, 29143707, 68236069, 106860259, 204708207, 320580777, 514872157, 1544616471, 5663593727, 16990781181]

約数ペア:

[(1, 16990781181), (3, 5663593727), (11, 1544616471), (33, 514872157), (53, 320580777), (83, 204708207), (159, 106860259), (249, 68236069), (583, 29143707), (913, 18609837), (1749, 9714569), (2739, 6203279), (4399, 3862419), (13197, 1287473), (48389, 351129), (117043, 145167)]